bat one thousand

bat one thousand idiom
Have a perfect record, as in In meeting deadlines, she's batting one thousand. The term comes from baseball statistics, where it signifies getting a hit for every turn at bat. It was transferred to other activities in the 1920s.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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